i got a question see i got my emachines computer fixed and i got a new motherboard and 1 extra new hard drive. ok now that i pluged my emachines speacker in the computer the volume is significatly lower and i have a microphone and that microphone does not work . ok when i oped the computer to see what new stuff it has. and it does not have a sound card just a little silverbox in the inside where the speaker jack and microphone jack plug into. so i dont know what is wrong is there any kind of software that i can get that that tells me what motherboard i got and what is compatible with it it is everest ultimate edition good??